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000
FZNT01 KWBC 181614
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU APR 18 2024

CCODE/1:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC APR 18.
24 HOUR FORECAST VALID 1200 UTC APR 19.
48 HOUR FORECAST VALID 1200 UTC APR 20.

.WARNINGS...

...GALE WARNING...
.LOW 46N50W 996 MB MOVING W 15 KT AND WILL TURN S AFTER 12
HOURS. WITHIN 420 NM NW QUADRANT AREA OF N WINDS 25 TO 40 KT.
SEAS 8 TO 16 FT. ELSEWHERE FROM 34N TO 56N BETWEEN 42W AND 63W
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 42N54W 1006 MB
AND NEW SECOND CENTER 50N43W 999 MB. WITHIN 240 NM SW...AND
BETWEEN 240 NM AND 660 NM NE QUADRANTS OF FIRST CENTER WINDS 25
TO 35 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 34N TO 56N E OF 60W
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N38W 998 MB.
WITHIN 240 NM SW AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 19 FT. ELSEWHERE WITHIN 720 NM SW...660 NM NW...420 NM
NE...AND 180 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.LOW 38N73W 1013 MB MOVING SE 10 KT. FROM 33N TO 41N W OF 68W
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.18 HOUR FORECAST LOW 37N70W 1011 MB. WITHIN 240 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 36N69W 1013 MB. WITHIN 240 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 39N69W 1014 MB. FROM 34N TO 39N BETWEEN
60W AND 73W WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 63N37W 998 MB. WITHIN 120 NM W
QUADRANT AREA OF N WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
ELSEWHERE...EXCEPT AS DESCRIBED WITH LOWS 42N54W AND 50N43W
ABOVE...NE OF A LINE FROM 55N35W TO 60N43W WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.48 HOUR FORECAST LOW MOVED NE OF AREA WITH NEW LOW 65N40W 1000
MB. EXCEPT AS DESCRIBED WITH LOW 50N38W ABOVE...NE OF A LINE
FROM 58N35W TO 62N42W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF 56W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 57N58W TO
66N53W...AND N OF A LINE FROM 63N40W TO 64N35W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 57N58W TO 60N51W...AND WITHIN 60 NM OF 64N39W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 62N57W TO 60N50W.

.SYNOPSIS AND FORECAST.

.LOW 52N53W 1013 MB NEARLY STATIONARY...THEN DRIFTING NE AND
THEN SE AFTER 12 HOURS. EXCEPT AS DESCRIBED WITH LOW 46N50W IN
WARNINGS SECTION ABOVE...WITHIN 360 NM SW AND NW...90 NM
NE...AND 120 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 61N50W 1005 MB. EXCEPT AS DESCRIBED WITH
LOWS 42N54W AND 50N43W IN WARNINGS SECTION ABOVE...FROM 56N TO
64N BETWEEN 49W AND 62W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW W OF AREA 59N68W
986 MB. W OF A LINE FROM 55N53W TO 58N53W TO 61N57W...AND WITHIN
THE GULF OF SAINT LAWRENCE...AREA OF SE TO S WINDS 20 TO 30 KT.
SEAS TO 9 FT.

.E OF A LINE FROM 50N41W TO 35N38W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOWS 42N54W AND
50N43W IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF
39N74W...WITHIN 90 NM OF 44N59W...FROM 46N TO 57N BETWEEN 47W
AND 55W...AND FROM 60N TO 66N BETWEEN 50W AND 58W.
.24 HOUR FORECAST DENSE FOG E OF A LINE FROM 66N54W TO
64N52W...WITHIN 120 NM EITHER SIDE OF A LINE FROM 64N37W TO
57N41W TO 53N45W...AND WITHIN 90 NM EITHER SIDE OF A LINE FROM
52N44W TO 47N50W.
.48 HOUR FORECAST WITHIN 60 NM OF 65N52W...50N40W...AND 64N35W.

.FORECASTER FIGURSKEY. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC THU APR 18.
24 HOUR FORECAST VALID 1200 UTC FRI APR 19.
48 HOUR FORECAST VALID 1200 UTC SAT APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 24N57W 1012 MB WITH TROUGH TO 18N62W AND
TROUGH FROM LOW TO 30N52W. WITHIN 25N53W TO 27N54W TO 25N56W TO
23N57W TO 23N56W TO 23N54W TO 25N53W WINDS 20 KT OR LESS...
EXCEPT S TO SW WINDS 20 TO 25 KT FROM 23N TO 24N BETWEEN 52W AND
54W. SEAS 8 TO 11 FT IN S SWELL.
.24 HOUR FORECAST LOW PRES NEAR 27N50W 1011 MB WITH TROUGH TO
18N62W AND TROUGH FROM LOW TO 31N47W. WITHIN 27N44W TO 29N46W TO
28N50W TO 27N51W TO 24N52W TO 23N49W TO 27N44W S TO SW WINDS 20
TO 30 KT...EXCEPT N TO NE WINDS 20 TO 25 KT FROM 27N TO 29N
BETWEEN 50W AND 52W. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES NEAR 30N42W 1013 MB WITH TROUGH TO
24N47W. WITHIN 31N38W TO 31N43W TO 28N45W TO 25N44W TO 25N42W TO
27N38W TO 31N38W S TO SW WINDS 20 TO 25 KT...EXCEPT N TO NE WINDS
20 TO 25 KT FROM 27N TO 31N BETWEEN 42W AND 44W. SEAS 8 TO 10
FT.

.ATLC WITHIN 13N39W TO 15N43W TO 14N57W TO 06N54W TO 07N40W TO
13N39W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC AND CARIBBEAN WITHIN 20N73W TO 20N74W TO 19N76W TO 18N75W
TO 20N73W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 19N75W TO 19N74W TO
19N73W TO 20N73W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 23N88W TO 23N90W TO
22N91W TO 21N90W TO 22N87W TO 23N88W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.